408047650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 776200320

約数和(自身を除く): 368152670

約数列:

[1, 2, 5, 10, 25, 50, 71, 137, 142, 274, 355, 685, 710, 839, 1370, 1678, 1775, 3425, 3550, 4195, 6850, 8390, 9727, 19454, 20975, 41950, 48635, 59569, 97270, 114943, 119138, 229886, 243175, 297845, 486350, 574715, 595690, 1149430, 1489225, 2873575, 2978450, 5747150, 8160953, 16321906, 40804765, 81609530, 204023825, 408047650]

約数ペア:

[(1, 408047650), (2, 204023825), (5, 81609530), (10, 40804765), (25, 16321906), (50, 8160953), (71, 5747150), (137, 2978450), (142, 2873575), (274, 1489225), (355, 1149430), (685, 595690), (710, 574715), (839, 486350), (1370, 297845), (1678, 243175), (1775, 229886), (3425, 119138), (3550, 114943), (4195, 97270), (6850, 59569), (8390, 48635), (9727, 41950), (19454, 20975)]